21337052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15643}}^1$

素因数の和:15689

約数の個数: 24

約数和(自身を含む): 42051072

約数和(自身を除く): 20714020

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15643, 31286, 62572, 172073, 344146, 484933, 688292, 969866, 1939732, 5334263, 10668526, 21337052]

約数ペア:

[(1, 21337052), (2, 10668526), (4, 5334263), (11, 1939732), (22, 969866), (31, 688292), (44, 484933), (62, 344146), (124, 172073), (341, 62572), (682, 31286), (1364, 15643)]